EP1483011B1 - Pre-moistened applicators for chemical reactant delivery - Google Patents
Pre-moistened applicators for chemical reactant delivery Download PDFInfo
- Publication number
- EP1483011B1 EP1483011B1 EP03739763A EP03739763A EP1483011B1 EP 1483011 B1 EP1483011 B1 EP 1483011B1 EP 03739763 A EP03739763 A EP 03739763A EP 03739763 A EP03739763 A EP 03739763A EP 1483011 B1 EP1483011 B1 EP 1483011B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- applicator
- chemical reactant
- moistened
- package
- article
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
- A61M35/006—Portable hand-held applicators having means for dispensing or spreading integral media using sponges, foams, absorbent pads or swabs as spreading means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
Definitions
- Example 2 Inventive Applicator as Cleaner and Primer.
Abstract
Description
- The present invention generally relates to chemical reactant application, and more particularly, to pre-moistened applicators for such a reactant.
- Many polymerization reactions progress under anaerobic conditions. The desire to induce polymerization under field conditions or absent equipment necessary to control the atmosphere during polymerization requires that polymerization components be pre-packaged to inhibit degradation associated with oxygen or humidity exposure.
- It is common that single-use polymerization adhesives that cure best under anaerobic conditions are packaged to assure that the air-sensitive polymerization catalyst is maintained during storage. Such polymerization catalysts have traditionally been provided in swab ampules that include an interior, breakable, sealed glass capsule containing the catalyst in flowable liquid form. An outer protective sheath or vial is formed from plastic sheeting such as polyethylene, polyvinyl chloride, or other conventional polymeric materials. This outer protective sheath is sealed at one end and terminates at the other end in a spongeous, liquid permeable piece. In operation, a substrate is pre-cleaned and the glass capsule within the ampule is broken thereby releasing catalyst containing liquid to feed by gravity into the spongeous applicator piece while the fragmented glass capsule is ideally retained within the polymeric protective sheath. Conventional ampules of this type are typically many times more expensive to prepare than the cost of the polymerization catalyst contained therein. Additionally, a safety hazard exists in the event that the outer polymeric sheath is punctured during the shattering of a glass vial with a user's fingers. A further limitation of conventional ampules is the need to orient the ampule above the substrate to maintain liquid flow. In light of the expense, hazard, and application orientation associated with delivery of anaerobic polymerization catalysts in such ampules, there exists a need for a chemical reactant applicator that retains the function of the reactant during storage and overcomes the limitations of conventional ampules.
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PCT Patent Application Publication No. WO-A-97/04831 - An article for chemical reactant delivery includes a liquid chemical reactant under delivery conditions or a solvated chemical reactant that is premoistened into an applicator. A chemical reactant impervious package has a pouch adapted to enclose the applicator. The applicator wicks the chemical reactant to the substrate contact surface through capillary action and is in the form of a wipe, a prep pad, a swab stick or a sponge. A process for applying an adhesive to a substrate involves exposing a capillary action fed applicator premoistened with a solvated or liquid chemical reactant and contacting the applicator with a first substrate independent of user contact with the applicator. A film of the chemical reactant is then applied to the substrate and a second substrate is brought into contact with the first substrate with a curable material and the chemical reactant therebetween. A commercial package including an article for chemical reactant delivery includes a solvated or liquid under delivery conditions chemical reactant pre-moistened into an applicator that is stored within a chemical reactant impervious package having a pouch adapted to enclose the applicator, along with instructions for the use thereof as a premoistened applicator for the chemical reactant. The use of a selectively peelable or tearable package for applying a chemical reactant pre-moistened into an applicator is also disclosed.
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Figs. 1A-C are planar, cross-sectional, and perspective views, respectively, of an inventive embodiment; and -
Figs. 2A-C are planar, cross-sectional, and perspective views, respectively, of another inventive embodiment. - The present invention overcomes the limitations of conventional ampules by packaging a chemical reactant as a pre-moistened wipe, prep pad, swab or stick that is stored within a package formed from metal foil having an inner coating or layer of catalyst and catalyst solvent compatible thermoplastic material. Alternatively, the pre-moistened applicator is within a package formed of a puncture- or tear-resistant thickness of a suitable catalyst and catalyst solvent compatible thermoplastic material. The present invention utilizes capillary action within an applicator to deliver a chemical reactant, in contrast to gravity fed applicators common to the art.
- As used herein, a pre-moistened applicator is defined as a wipe, a preparation pad, a swab, a swab stick and a sponge wetted with a liquid chemical reactant or a solvated chemical reactant.
- As used herein, a chemical reactant is defined as a reaction catalyst, a primer, an activator, an adhesion promoter and a polymerization monomer.
- In the attachment of non-siliceous materials to a glass substrate the present invention finds a particular utility. The attachment of a rearview mirror mount to a vehicle windshield is an exemplary utility of the present invention. An inventive package is torn or peeled to expose an applicator pre-moistened with the anaerobic cure adhesive catalyst. The applicator contacts the glass substrate to leave a thin film of catalyst material in a desired bonding region of the substrate. Optionally, any solvent accompanying the catalyst onto the substrate is given sufficient time to volatilize. The curable adhesive is then applied of the catalyst and the metal (or other material) mount substrate is brought into contact with the glass substrate such that the catalyst indicated anaerobically curing adhesive is therebetween for a time sufficient to allow cure to occur.
- An additional advantage of the present invention over the conventional swab ampule is the ability to apply a chemical reactant with greater uniformity in substrate geometrics where a gravity fed ampule swab is not in fluid contact with the catalyst reservoir. The solvated or liquid chemical reactant is applied to a pre-moistened applicator according to the present invention by soaking the applicator in a solution, spraying the solution onto the applicator, or by an injection technique into the article during manufacture. The identity of the solvent is largely dictated by the solubility characteristics of the chemical reactant and compatibility of that solvent with the other chemical reactants. Solvents operative herein illustratively include: water, C2-C20 linear or branched alkanes; ethers; esters; alcohols; ketones; aldehydes; acids; C6-C10 aromatics and substituted aromatics; furans; and chlorinated, brominated, and fluorinated forms thereof; plasticizers; oils, such as dioctyl phthalate (DOP); and liquid resins such as triethylene glycol mono-methacrylate (triEGMA) and polyethylene glycol mono-methacrylate (PEGMA).
- The chemical reactant illustratively includes the following classes of materials: main group and lanthanide series organometallics, coordination complexes of main group and lanthanide series metal salts and more specifically organo-tin compounds and organo-copper compounds, and copper acetyl acetonate or aldehyde amine condensates, which are known to the art to be active as anaerobic polymerization catalysts and/or primers. It is appreciated that a chemical reactant that is a liquid under application conditions is optionally not solvated or otherwise diluted within the present invention.
- Contrary to prior art, pre-moistened applicators which contained personal care astringents, biocides or cleaning solutions, an inventive solvated chemical reactant is prone to degradation by skin contact or act as a skin irritant. As a result, care is taken upon opening the package to avoid skin contact with the pre-moistened applicator contained therein. Skin contact is avoided either through use of applicator solvent- and catalyst-impervious gloves or cots, forceps, tweezers or preferably, a package peelable to expose the pre-moistened applicator while shielding the same from user contact.
- While the present invention is described with a catalyst component of a multi-component chemical reaction being in a pre-moistened applicator package, it is appreciated that the present invention is also operative to contain a variety of multiple function components involved in a chemical reaction. Exemplary multiple function pre-moistened applicators include in combination a substrate cleaner-primer, a substrate cleaner-catalyst, and a substrate cleaner-adhesion promoter. It is further appreciated that substrate cleaning may be completed by a chemical reactant solvent alone or in combination with a surfactant, an acid or a base.
- Absorbent materials in packaging systems operative herein include those detailed in
U.S. Patent Nos. 3,542,634 ;3,057,467 ; and4,696,393 , Preferably, the package according to the present invention retains the package in the contained pre-moistened applicator attached thereto as priorU.S. Patent No. 4,696,393 . In the context of the present invention, the applicator pre-moistened with a solvated chemical reactant is exposed by flaring the package flaps to expose the pre-moistened applicator therein. By holding onto the base of the package, the pre-moistened applicator contents are spread onto a substrate and after use, the package opening flaps are again brought into contact, thereby containing the spent applicator therein, all without skin contact with the applicator. - Referring now to the drawings, where like referenced numerals denote similar components among several figures, in
Figs. 1A-1C , an inventive pre-moistened applicator article is shown generally at 10. Thearticle 10 includes a pre-moistened applicator pad 11 optionally attached to the packageinner surface 12. Optionally, the applicator tip 11A that is exposed upon pulling back on package flaps, is of a greater thickness than the remainder of the applicator pad in order to wick additional catalyst onto the portion the applicator contacting a substrate. Theattachment 13 between the applicator 11 and theinner surface 12 ofpackage 14 illustratively includes contact adhesive, solvent weld, thermal fusion, thermoset adhesive. An intendedlypermanent seal 15 proximal to the edges of thepackage 14 extends around a portion of the package periphery to define apouch 16 having anopening 17. Theopening 17 is selectively sealed for storage with a breakable seal material 18. The breakable seal 18 is illustratively an adhesive seal, a heat seal, pressure seal or combination thereof that is compatible with the solvent and catalyst impregnated in the applicator 11, as well as the package materials. Preferably, aflap 19 extends beyond thebreakable seal 17 to facilitate opening of theseal 17 to expose the pre-moistened applicator 11. - With reference to
Figs. 2A-2C , a pre-moistened applicator swab stick 21 is encased within an article shown generally at 20. - The following examples are intended to give operative embodiments and comparatives of the present invention. The compositions and properties detailed herein are only intended to be exemplary and not limiting as to the scope of the invention detailed in the appended claims.
- Commercial alcohol prep pads were obtained, the cotton pads removed from the package and dried. The pads were impregnated with various primers and the surfaces of steel lap shears that were pre-cleaned with isopropanol were wiped with the primer pads in a uniform motion. The lap shears were bonded with an anaerobic adhesive and allowed to dry for 24 hours at ambient temperature. The force to pull the laps apart was determined using an Instron Tensile Tester in accordance with ASTM D1002, which is incorporated herein by reference.
- Cotton prep-pads: 1¼" x 2⅛", impregnated with ∼0.40 grams primer solution Conventional primer ampules
Adhesive A: Control; Permatex part #81844 - 1 drop per lap shear set
Primer A: Control; Permatex part #81844 activator
Primer B: Copper naphthenate in isopropanol
Primer C: Copper octoate in isopropanol
Primer D: Copper octoate in heptaneTable 1 Primer Applied by Conventional Ampule vs Inventive Applicator Primer Wiped On Primer Application Tensile Strength (psi) Primer A ampule 2,552 +/- 141 Primer A ampule 2,543 +/- 259 Primer A inventive applicator 2,310 +/- 162 Primer A inventive applicator 2,605 +/- 334 Primer B ampule 2,679 +/- 398 Primer B inventive applicator 3,035 +/- 155 Primer B inventive applicator "dry pad" (pad dried 2.5 minutes then applied) 2,672 +/- 341 Primer B inventive applicator 2,727 +/- 184 Primer B inventive applicator "aged wipe" (pad aged @ 50°C 1 month) 2,327 +/- 361 Primer B inventive applicator 2,604 +/- 226 Results reported are averages of 3-5 laps per set.
Primers used in conjunction with Adhesive A in all cases.Table 2 Baseline Tensile Strengths for Conventional Ampule Applied Primers on Clean Lap Shears Primer Type Comparison - Conventional Ampule Applied Primer Used with Adhesive A Tensile Strength (psi) Primer A - Trial 1 2,815 +/- 102 Primer A - Trial 2 2,619 +/- 338 Primer B - Trial 1 2,500 +/- 194 Primer B - Trial 2 2,798 +/- 371 Primer C 2,430 +/- 271 Primer D 2,628 +/- 334 - The same test method was used per Example 1; however, instead of pre-cleaning a lap shear, it was dipped into an isopropanol contaminant solution. A lap was allowed to dry for 1 hour and the excess material "dabbed" off with a dry paper towel. The activator-impregnated inventive wipe was then used as the "cleaning towel", which also left a primer film on the surface of Primer A where Adhesive A was used in all cases. Laps were assembled and tested as above.
Table 3 Tensile Strengths for Inventive Applicator Applied Primers on Contaminated Lap Shears Contaminant Tensile Strength (psi) 5% 1000 centistoke silicone oil 2,401 +/- 126 5% motor oil 1,718 +/- 287 5% dioctyl phthalate 2,817 +/- 152 No contaminant 3,230 +/- 115 - The foregoing description is illustrative of particular embodiments of the invention, but is not meant to be a limitation upon the practice thereof. The following claims, including all equivalents thereof, are intended to define the scope of the invention.
Claims (11)
- An article (10) for chemical reactant delivery comprising:an anaerobic cure adhesive catalyst chemical reactant including one of the main group and lanthanide series organometallics, coordination complexes of main group and lanthanide series metal salts, and more specifically organo-tin compounds or organo-copper compounds, and copper acetyl acetonate or aldehyde amine condensates that satisfies at least one condition of being solvated or liquid under delivery conditions;an applicator (11) pre-moistened with said chemical reactant;a chemical reactant impervious package (14) having a pouch (16) adapted to enclose said applicator, said package peelable to expose the pre-moistened applicator while shielding the same from user contact.
- The article of claim 1 wherein said package has a pouch defined in part by a temporary seal (18).
- The article of claim 1 wherein said pre-moistened applicator is attached to said package.
- The article of claim 1 wherein said applicator is selected from a group consisting of a wipe, prep pad, a swab stick, and a sponge.
- The article of claim 2 wherein said package has a peelable flap (19) proximal to the said temporary seal.
- A process for applying an adhesive comprising the steps of:exposing a capillary action fed applicator (11) pre-moistened with a solvated or liquid chemical reactant comprising an anaerobic cure polymerization monomer and an anaerobic cure adhesive catalyst including one of main group and lanthanide series organometallics, coordination complexes of main group and lanthanide series metal salts and more specifically organo-tin compounds and organo-copper compounds, and copper acetyl acetonate or aldehyde amine condensates;contacting said applicator with a first substrate independent of a user contact of said applicator;applying a film of said chemical reactant to said first substrate; and
bringing a second substrate into contact with the first substrate with a curable material and said chemical reactant therebetween to induce anaerobic cure. - The process of claim 6 wherein said applicator is oriented below the first substrate while applying said film of said chemical reactant.
- A commercial package comprising an article (10) according to claim 1 together with instructions for the use thereof as a pre-moistened applicator for a chemical reactant.
- The use of a selectively peelable or tearable package for applying a chemical reactant pre-moistened in an applicator (11).
- The use of claim 9 where said chemical reactant is delivered independent of user contract therewith.
- An adhesive bond obtainable by the process as claimed in claim 6.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73717 | 2002-02-11 | ||
US10/073,717 US20030153091A1 (en) | 2002-02-11 | 2002-02-11 | Pre-moistened applicators for chemical reactant delivery |
PCT/US2003/004208 WO2003068308A1 (en) | 2002-02-11 | 2003-02-11 | Pre-moistened applicators for chemical reactant delivery |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1483011A1 EP1483011A1 (en) | 2004-12-08 |
EP1483011A4 EP1483011A4 (en) | 2007-05-23 |
EP1483011B1 true EP1483011B1 (en) | 2010-01-20 |
Family
ID=27659744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03739763A Expired - Lifetime EP1483011B1 (en) | 2002-02-11 | 2003-02-11 | Pre-moistened applicators for chemical reactant delivery |
Country Status (11)
Country | Link |
---|---|
US (1) | US20030153091A1 (en) |
EP (1) | EP1483011B1 (en) |
JP (1) | JP2005523740A (en) |
KR (1) | KR20040105716A (en) |
AT (1) | ATE455573T1 (en) |
AU (2) | AU2003210991A1 (en) |
BR (1) | BR0307690A (en) |
CA (1) | CA2475847A1 (en) |
DE (1) | DE60331047D1 (en) |
MX (1) | MXPA04007789A (en) |
WO (1) | WO2003068308A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7374039B2 (en) * | 2004-06-08 | 2008-05-20 | Robert Theodore Farmer | Methods and apparatus for promoting hygiene |
WO2008097532A1 (en) * | 2007-02-08 | 2008-08-14 | Firestone Building Products Company, Llc | Packaged primer and scrub pad |
US20130108351A1 (en) * | 2011-11-01 | 2013-05-02 | Vicki Yeats | Disposable Antiperspirant/Deodorant Applicator |
FR3008080B1 (en) | 2013-07-02 | 2016-05-06 | Oreal | CONDITIONING DEVICE |
US10072157B2 (en) * | 2016-01-06 | 2018-09-11 | The Boeing Company | Methods and apparatuses for applying activated primer to a substrate surface |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3998654A (en) * | 1974-01-28 | 1976-12-21 | Minnesota Mining And Manufacturing Company | Method of removing adhesive |
US4373077A (en) * | 1980-11-03 | 1983-02-08 | Minnesota Mining And Manufacturing Company | Anaerobically curing compositions |
US4696393A (en) * | 1981-10-19 | 1987-09-29 | Laipply Thomas C | Applicator wipe for inviscid fluids |
US5210108A (en) * | 1992-07-29 | 1993-05-11 | E. I. Du Pont De Nemours And Company | Degradable foam materials |
GB9515807D0 (en) * | 1995-08-02 | 1995-10-04 | Cantwell Evelyna D | Topical hyperbaric bandage |
EP1161384A1 (en) * | 1998-09-01 | 2001-12-12 | Closure Medical Corporation | Package assembly with applicator and container for adhesive materials |
US6007264A (en) * | 1998-12-02 | 1999-12-28 | Felix Investments, Llc | Integral package applicator |
US6283933B1 (en) * | 1998-12-23 | 2001-09-04 | Closure Medical Corporation | Applicator for dispensable liquids |
US6220267B1 (en) * | 1999-01-27 | 2001-04-24 | Ceramatec, Inc. | Apparatus and method for controllably delivering fluid to a second fluid stream |
AU8006200A (en) * | 1999-10-08 | 2001-04-23 | Procter & Gamble Company, The | Applicator having a temperature changing element for distributing a product ontoa target surface |
US6779657B2 (en) * | 2001-06-06 | 2004-08-24 | Closure Medical Corporation | Single-use applicators, dispensers and methods for polymerizable monomer compound |
-
2002
- 2002-02-11 US US10/073,717 patent/US20030153091A1/en not_active Abandoned
-
2003
- 2003-02-11 EP EP03739763A patent/EP1483011B1/en not_active Expired - Lifetime
- 2003-02-11 KR KR10-2004-7012434A patent/KR20040105716A/en not_active Application Discontinuation
- 2003-02-11 CA CA002475847A patent/CA2475847A1/en not_active Abandoned
- 2003-02-11 JP JP2003567488A patent/JP2005523740A/en active Pending
- 2003-02-11 AT AT03739763T patent/ATE455573T1/en not_active IP Right Cessation
- 2003-02-11 WO PCT/US2003/004208 patent/WO2003068308A1/en active Application Filing
- 2003-02-11 AU AU2003210991A patent/AU2003210991A1/en not_active Abandoned
- 2003-02-11 MX MXPA04007789A patent/MXPA04007789A/en unknown
- 2003-02-11 DE DE60331047T patent/DE60331047D1/en not_active Expired - Fee Related
- 2003-02-11 BR BR0307690-3A patent/BR0307690A/en not_active Application Discontinuation
-
2010
- 2010-04-08 AU AU2010201408A patent/AU2010201408A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR20040105716A (en) | 2004-12-16 |
CA2475847A1 (en) | 2003-08-21 |
JP2005523740A (en) | 2005-08-11 |
EP1483011A4 (en) | 2007-05-23 |
ATE455573T1 (en) | 2010-02-15 |
US20030153091A1 (en) | 2003-08-14 |
AU2010201408A1 (en) | 2010-04-29 |
AU2003210991A1 (en) | 2003-09-04 |
BR0307690A (en) | 2005-04-26 |
DE60331047D1 (en) | 2010-03-11 |
MXPA04007789A (en) | 2005-06-17 |
EP1483011A1 (en) | 2004-12-08 |
WO2003068308A1 (en) | 2003-08-21 |
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